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Grunerite from
Unnamed locality, Negaunee, Marquette County, Michigan, USA


Classification
Species:Grunerite
Formula:◻Fe22+Fe52+(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Grunerite data
Locality Data:Click here to view Unnamed locality, Negaunee, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:415990
Long-form Identifier:1:3:415990:2
GUID (UUID V4):0
Nearest other occurrences of Grunerite
1.6km (1.0 miles) ⓘUnnamed schist, Negaunee, Marquette County, Michigan, USA
2.5km (1.6 miles) ⓘLake Bancroft, Ishpeming, Marquette County, Michigan, USA
3.4km (2.1 miles) ⓘEmpire Mine, Palmer, Richmond Township, Marquette County, Michigan, USA
5.4km (3.4 miles) ⓘPalmer, Marquette County, Richmond Township, Michigan, USA
6.7km (4.2 miles) ⓘFoster-Lothian area, Tilden Township, Marquette County, Michigan, USA
9.6km (6.0 miles) ⓘGreenwood Mine, Greenwood, Ely Township, Marquette County, Michigan, USA
17.8km (11.0 miles) ⓘUnnamed outcrop (4), Humboldt Township, Marquette County, Michigan, USA
18.2km (11.3 miles) ⓘMichigan prospect, Ely Township, Marquette County, Michigan, USA
19.5km (12.1 miles) ⓘUnnamed locality (2), Humboldt Township, Marquette County, Michigan, USA
20.1km (12.5 miles) ⓘMount Humboldt, Humboldt Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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